RH 7.2

I can't get my RAID 1 mirrors set up. Following instructions from the "Software RAID HowTo" at http://unthought.net/Software-RAID.HOWTO/

I've run `mkraid /dev/md0` but get the following errors. However, there are no errors in the "message" syslog file, nor any indication from /proc/mdstat.

What's up wit that?


My /etc/raidtab:


# root partition mirrors
raiddev /dev/md0
        raid-level      1
        nr-raid-disks   2
        nr-spare-disks  0
        chunk-size     4
        persistent-superblock 1
        device          /dev/sda2
        raid-disk       0
        device          /dev/hdc2
        raid-disk       1


Both /dev/sda2 and /dev/hdc2 have partition types of "fd" (linux-raid). /dev/sda2 is my root partition, currently mounted. `fdisk` reports /dev/sda2 as having 3,855,600 blocks `fdisk` reports /dev/hdc2 as having 3,856,104 blocks


Output from `mkraid`:


# /sbin/mkraid /dev/md0
handling MD device /dev/md0
analyzing super-block
disk 0: /dev/sda2, 3855600kB, raid superblock at 3855488kB
/dev/sda2 is mounted
mkraid: aborted, see the syslog and /proc/mdstat for potential clues.


# cat /proc/mdstat Personalities : read_ahead not set unused devices: <none> #


Help, please. Thanks.





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